Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.50974654276913
2008	3.56528948556986
2009	3.71237534214615
2010	3.80731539104333
2011	3.82333333333334
2012	3.81818181818182
2013	3.68235294117647
2014	3.4625
2015	3.33964482245972
2016	3.3375
2017	3.30322580645161